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• Sinn Fein
  Sinn Fein

  noun

  a political organization in Ireland, founded about 1905, advocating the complete political separation from Great Britain of a unified Ireland.
• Sinn Féin
  Sinn Féin

  noun

  an Irish republican political movement founded about 1905 and linked to the revolutionary Irish Republican Army: divided into a Provisional and an Official movement since a similar split in the IRA in late 1969

Sinn Fein

American  

[shin fayn] / ˈʃɪn ˈfeɪn /

noun

1. a political organization in Ireland, founded about 1905, advocating the complete political separation from Great Britain of a unified Ireland.

2. a member of this organization.

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Sinn Féin British  

/ ˈʃɪn ˈfeːn /

noun

1. an Irish republican political movement founded about 1905 and linked to the revolutionary Irish Republican Army: divided into a Provisional and an Official movement since a similar split in the IRA in late 1969

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Sinn Fein Cultural  

1. An Irish political party (in Gaelic it means “Ourselves Alone”) that has long combatted Great Britain's influence in Ireland and sought the unification of Northern Ireland with the Irish republic in the south; generally considered the political portion of the Irish Republican Army. One wing of it has engaged in terrorism.

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Other Word Forms

• Sinn Feiner
  noun
• Sinn Feinism
  noun
• Sinn Féiner
  noun
• Sinn Féinism
  noun

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Etymology

Origin of Sinn Fein

From Irish sinn f éin “we ourselves”

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Example Sentences

See Examples For:

Sinn Fein Sinn Féin

McDonald said Sinn Fein would assist police if its members' participation in the protest came under investigation.

From Barron's ● Oct. 5, 2026

Stormont's health committee will convene later with departmental officials, including the department's permanent secretary, following a request from committee's chair, Sinn Fein MLA Philip McGuigan.

From BBC ● Aug. 20, 2026

Linda Dillon is a Sinn Fein MLA who lives in the Clonoe area and is calling for the issue to be resolved.

From BBC ● Jun. 28, 2025

The DUP agreed to return to power-sharing with the Irish nationalist party Sinn Fein earlier this year following a series of assurances about Northern Ireland’s constitutional position within the United Kingdom.

From Seattle Times ● Mar. 29, 2024

I must say for the Sinn Fein commander that he kept his head.

From Our Casualty, and Other Stories 1918 by George A. Birmingham

Speaking outside the courts Sinn Féin MLA Deirdre Hargey said that she believes defending the residents "was the right thing to do" and that they "make no apology for that".

From BBC ● Oct. 28, 2026

Sinn Féin assembly member Carál Ní Chuilín condemned the attack and said the family were "very, very lucky".

From BBC ● Oct. 16, 2026

Sinn Féin MLA Deirdre Hargey also told the BBC that she had received a letter and would seek legal advice.

From BBC ● Oct. 9, 2026

Sinn Féin MLA Philip McGuigan, who chairs Stormont's health committee, said the proposed reconfiguration committee "could ensure public confidence in future decisions".

From BBC ● Sep. 3, 2026

There is every reason to suppose that the Sinn Féin movement, in so far as it consists of passive resistance, will be regarded by the Irish people as merely doing nothing.

From Ireland and the Home Rule Movement by Michael F. J. McDonnell

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